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Qwen3.5 397B A17B

open source

Qwen model, released 16 Feb 2026.

$0.55
per 1M input tokens
$3.50
per 1M output tokens
$0.225
per 1M cached-read tokens
Calculate what your real prompts cost on Qwen3.5 397B A17B

Price history

input $/1M output $/1M7 Jul 2026 → 8 Sept 2026

Specifications

Lab
Qwen
Released
16 Feb 2026
Context window
262k tokens
Max output
236k tokens
Input modalities
text, image, video
Output modalities
text
Knowledge cutoff
—
Open source
Yes

Benchmarks

BenchmarkCategoryScoreAs of
LMArena (Chatbot Arena)coding1464 (1458.9–1469.1)13 Sept 2026
LMArena (Chatbot Arena)overall1438.3 (1435–1441.6)13 Sept 2026

LMArena (Chatbot Arena) data © their authors, CC-BY-4.0

Frequently asked questions

How much does Qwen3.5 397B A17B cost?

Qwen3.5 397B A17B costs $0.55 per 1M input tokens and $3.50 per 1M output tokens (list price, updated every 6 hours).

What is Qwen3.5 397B A17B's context window?

Qwen3.5 397B A17B supports a 262k-token context window with up to 236k output tokens.

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